Question

for each expression, estimate to decide whether the sum is closer to 800 or 900. closer to 800 closer to 900 415 + 400

Explanation:

Step1: Estimate 415

415 is close to 400 (or we can also consider its proximity to 400 for estimation here, but actually, 415 + 400 = 815 when calculated, but for estimation, we can see that 415 is 15 more than 400, so 400 + 400 = 800, and adding 15 gives 815, which is closer to 800.

Step2: Calculate the sum (or estimate the distance)

First, calculate the sum: \(415 + 400 = 815\). Now, find the distance from 815 to 800 and to 900. Distance to 800: \(|815 - 800| = 15\). Distance to 900: \(|900 - 815| = 85\). Since 15 < 85, the sum is closer to 800.

Answer:

Closer to 800